APA Format
Hay, Leon E. (1981).
Programmed learning aid for linear programming / Leon E. Hay, John H. Engstrom ; coordinating editor, Roger H. hermanson
. Homewood, Ill :: Learning System Company,.
MLA Format
Hay, Leon E.
Programmed learning aid for linear programming / Leon E. Hay, John H. Engstrom ; coordinating editor, Roger H. hermanson
. Homewood, Ill :: Learning System Company,, 1981
Chicago Format
Hay, Leon E. Programmed learning aid for linear programming / Leon E. Hay, John H. Engstrom ; coordinating editor, Roger H. hermanson. Homewood, Ill :: Learning System Company,, 1981.